He observed the Sabbath every week.

They observe the Sabbath every week.

He is a dedicated Sabbath observer.

She enjoys observing the Sabbath every week.

Sabbath observance is an important aspect of religious practice.

Many Sabbath observers gather at the synagogue every Saturday.

The Sabbath observances in this community are strictly followed.

She studied the stars observationally, using a telescope to make detailed observations.

Her observationality allowed her to notice even the smallest details.

The observationalist carefully recorded the data from the experiment.